Asus X556 Series - C21N1509

Detailed information: Voltage: 7.6V Capacity: 4100mAh/31Wh Higher capacity Colour: Black Number of cells: 2 (Li-Polymer) Product compatibility C21N1509 Can be used with the following device A556U,X556UV,X556UA,X556UJ,FL5900U What's in the box 1 X Replacement Battery